1-(4-Fluoro-3-methylphenyl)-5-(methoxymethyl)-1H-1,2,3-triazole-4-carboxylic acid CAS 1239748-83-4
| CAS No. | 1239748-83-4 |
| Molecular Formula | C12H12FN3O3 |
| Molecular Weight | 265.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 265.24 g/mol gives 1-(4-Fluoro-3-methylphenyl)-5-(methoxymethyl)-1H-1,2,3-triazole-4-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-(4-Fluoro-3-methylphenyl)-5-(methoxymethyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1239748-83-4), molecular formula C12H12FN3O3 and molecular weight 265.24 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-(4-Fluoro-3-methylphenyl)-5-(methoxymethyl)-1H-1,2,3-triazole-4-carboxylic acid (C12H12FN3O3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 265.24 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 1-(4-Fluoro-3-methylphenyl)-5-(methoxymethyl)-1H-1,2,3-triazole-4-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H12FN3O3 |
| Molecular Weight | 265.24 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Fluoro Standards
- Ethyl 5-(2-fluoro-4-methoxyphenyl)isoxazole-3-carboxylate (CAS 1126636-60-9)
- 1-(3-Fluoro-4-methoxybenzyl)-5-methyl-1H-1,2,3-triazole-4-carboxylic acid (CAS 1275921-15-7)
- 1-(2-Fluoro-4-methylphenyl)-5-(methoxymethyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1340736-01-7)
- 1-(2-Fluoro-5-methylphenyl)-5-(methoxymethyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1340838-99-4)
- (Z)-2-Fluoro-5-((3-oxoisobenzofuran-1(3H)-ylidene)methyl)benzonitrile (CAS 1379825-89-4)
- Ethyl 6-fluoro-4-hydroxy-8-methoxyquinoline-3-carboxylate (CAS 1707593-27-8)
- 7-Fluoro-1,4-dihydro-6-methoxy-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester (CAS 622369-35-1)
- Ethyl 7-fluoro-4-hydroxy-6-methoxyquinoline-3-carboxylate (CAS 851973-16-5)
Recommended Standards
- Avibactam Impurity 02 (CAS 1192500-31-4)
- 1-[2-(4-fluorophenoxy)ethyl]-5-methyl-1H-1,2,3-triazole-4-carboxylic acid (CAS 1266821-37-7)
- 1,1,3-Trioxo-2-(prop-2-yn-1-yl)-2,3-dihydro-1lambda6,2-benzothiazole-6-carboxylic acid (CAS 1156750-55-8)
- Aciclovir Impurity 40 (CAS 97151-29-6)
- 3,3',5,5'-Tetraformyl-4,4'-biphenyldiol (CAS 286385-47-5)
- 2-(Tert-butylamino)-N-(5-fluoro-2-methylphenyl)acetamide (CAS 923164-12-9)
- 3-((1-Phenyl-1H-1,2,4-triazol-3-yl)oxy)butan-2-one (CAS 320416-25-9)
- (S)-(+)-2-Amino-3-cyclohexyl-1-propanol HCl (CAS 117160-99-3)
- tert-Butyl 2,2-dimethyl-4-oxopyrrolidine-1-carboxylate (CAS 1456616-45-7)
- 1-(Difluoromethoxy)-2-isothiocyanato-4-methylbenzene (CAS 832739-27-2)
- tert-Butyl 6,6-difluoro-2-azaspiro[3.4]octane-2-carboxylate (CAS 1638759-78-0)
- 4-N,N-Diphenylamino-β-phenylstilbene (CAS 89114-90-9)
- Hydrocortisone Sodium Phosphate (CAS 6000-74-4)
- C-Peptide 1 (rat) (CAS 41475-27-8)
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